Impairment of dynamic single-leg balance performance in individuals with hip chondropathy

Hatton, Anna L., Kemp, Joanne L., Brauer, Sandra G., Clark, Ross A. and Crossley, Kay M. (2014) Impairment of dynamic single-leg balance performance in individuals with hip chondropathy. Arthritis Care and Research, 66 5: 709-716. doi:10.1002/acr.22193

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Author Hatton, Anna L.
Kemp, Joanne L.
Brauer, Sandra G.
Clark, Ross A.
Crossley, Kay M.
Title Impairment of dynamic single-leg balance performance in individuals with hip chondropathy
Journal name Arthritis Care and Research   Check publisher's open access policy
ISSN 2151-464X
Publication date 2014-05-01
Year available 2013
Sub-type Article (original research)
DOI 10.1002/acr.22193
Open Access Status Not yet assessed
Volume 66
Issue 5
Start page 709
End page 716
Total pages 8
Place of publication Hoboken, NJ, United States
Publisher John Wiley & Sons
Language eng
Formatted abstract
Objective: Impaired balance control has been reported in the elderly with hip osteoarthritis (OA), yet this relationship has not been explored in young adults with hip chondropathy. This study aimed to determine whether people with hip chondropathy demonstrated impaired balance ability during a dynamic single-leg squat with eyes open (SquatEO) and single-leg standing task with eyes closed (StandEC) and; whether hip range of motion (ROM) and hip muscle strength were correlated to balance measures in adults with hip chondropathy.

Methods: 63 adults with hip chondropathy and 60 controls performed two tasks: SquatEO and StandEC while standing on a Nintendo Wii™ balance board. Centre of pressure (CoP) movement in medio-lateral and anterior-posterior directions were extracted. Hip ROM and muscle strength were measured with an inclinometer and dynamometer. Data were analysed using an ANCOVA and stepwise multiple regression model.

Results: During SquatEO, greater CoP medio-lateral range (P=0.001) and anterior-posterior standard deviation (P=0.030) was observed in those with hip chondropathy compared to controls. No significant between-group differences were observed for StandEC. Hip external rotation (ER) ROM was significantly associated with mediolateral range during SquatEO.

Conclusion: Dynamic single-leg balance squat performance is reduced in people with hip chondropathy compared to healthy adults, but static single-leg standing balance is not. This may be reflective of reduced control of dynamic movements. Those with greater hip joint ER ROM appear to have worse single-leg squat balance performance. Further investigation into balance deficits associated with hip disease is necessary to establish early-identification strategies and a tailored-approach to rehabilitation.

Significance and Innovations:
• Poor dynamic balance is a feature of people with established hip OA and may be a problem for those with early signs of hip joint degeneration
• Hip chondropathy was associated with impaired dynamic single leg squat control
• Hip chondropathy may reduce control of dynamic movements
• Altered dynamic single leg control has the potential to deteriorate as arthrogenic hip joint degeneration progresses

Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Accepted manuscript online: 7 OCT 2013

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Health and Rehabilitation Sciences Publications
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Created: Tue, 22 Oct 2013, 23:00:51 EST by Anna Hatton on behalf of School of Health & Rehabilitation Sciences